you can use integer counters to model $-5 - (-7)$.

start with 5 negative counters.

which of these shows how to model $-5 - (-7)$?

subtract.
$-5 - (-7) = $

Question

you can use integer counters to model $-5 - (-7)$.

start with 5 negative counters.

which of these shows how to model $-5 - (-7)$?

subtract.
$-5 - (-7) = $

Accepted Answer

{ "quality": "clear", "question_count": 2, "skills_matched": [ "step_cot", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Integer Subtraction Models", "Zero Pairs" ], "new_concepts": [], "current_concepts": [ "Integer Subtraction Models", "Zero Pairs", "Integer Subtraction" ] } ## Identify the correct counter model $$ \begin{aligned} &\text{Start: } 5 \text{ negative counters } (\ominus\ominus\ominus\ominus\ominus)\ &\text{Goal: Subtract } -7 \text{ (remove } 7 \text{ negative counters)}\ &\text{Action: Add } 2 \text{ zero pairs } (\oplus\ominus) \text{ to get } 7 \text{ negative counters and } 2 \text{ positive counters}\ &\text{Resulting model: } 7 \text{ crossed-out negative counters and } 2 \text{ positive counters remaining (Top Option)} \end{aligned} $$ ## Calculate the final difference $$ -5 - (-7) = -5 + 7 = 2 $$ ## Question 1 (A) The top model showing 7 crossed-out negative counters and 2 positive counters remaining (B) The bottom model showing 5 negative counters and 7 crossed-out positive counters ## Question 2 The value of the subtraction is: $$-5 - (-7) =$$ 2 { "subject": "Mathematics", "question_type": "Multi-part", "knowledge_point": [ "Mathematics", "Algebra", "Integer Subtraction Models" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the correct counter model

Calculate the final difference

Answer:

Question 1

Question 2